31396540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{224261}}^1$

素因数の和:224277

約数の個数: 24

約数和(自身を含む): 75352032

約数和(自身を除く): 43955492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 224261, 448522, 897044, 1121305, 1569827, 2242610, 3139654, 4485220, 6279308, 7849135, 15698270, 31396540]

約数ペア:

[(1, 31396540), (2, 15698270), (4, 7849135), (5, 6279308), (7, 4485220), (10, 3139654), (14, 2242610), (20, 1569827), (28, 1121305), (35, 897044), (70, 448522), (140, 224261)]